Last updated: August 21, 2025
In September, the weather in Popayán, Colombia, offers a refreshing climate, with maximum temperatures reaching around 25°C (76°F) and an average of 16°C (61°F). The chill of the minimum temperature dipping to 9°C (49°F) invites cozy layers. This month sees significant rainfall, totaling 138 mm (5.4 in) over 17 days, creating a lush, vibrant landscape. With humidity levels averaging 69%, the air feels comfortably cool, providing a perfect backdrop for exploring the city's rich culture and natural beauty.
In September, Popayan, Colombia, continues to embody its mild climate with temperatures that remain consistently pleasant. The month features a minimum of 9°C (49°F), an average of 16°C (61°F), and peaks at 25°C (76°F). This slight upward trend in both minimum and maximum temperatures from the previous months reflects the region's stability. With just a degree or two of variation throughout the year, September’s warmth invites both residents and visitors to explore its charming streets, all while enjoying that quintessential Andean crispness in the air. As the changing seasons unfold, Popayan stands as a testament to the beauty of consistent warmth amidst its breathtaking landscapes.
In September, Popayán experiences a notable shift in precipitation, receiving 138 mm (5.4 in) of rainfall over 17 days. This marks a decrease from the significantly wetter months of March and April, where precipitation often exceeds the 300 mm mark. Following the drier stretch of July and August, September's rainfall begins to pick up again, hinting at the onset of the wetter months ahead. As the city transitions into October and November, precipitation levels rise dramatically, underscoring a clear trend of increasing rainfall that peaks during the final quarter of the year. This pattern not only shapes the region's lush landscapes but also reflects the unique climatic rhythms of Popayán.
In September, Popayán, Colombia, experiences a noticeable drop in humidity, with levels averaging around 69%. This slight decrease follows the drier month of August, where humidity dipped to its lowest at 64% for the year. As the dry season transitions into the wetter months, September’s conditions provide a gentle reprieve before humidity rises again in October to 80%. Overall, the humidity levels exhibit a clear trend of rising throughout the year, peaking in May at 88%, which suggests that residents and visitors can expect a diverse range of humidity that shapes the region's unique climate.
In September, residents and visitors in Popayan, Colombia can expect a UV Index of 16, maintaining the extreme exposure category that characterizes much of the year. This means that unprotected skin can burn in just 10 minutes, emphasizing the importance of sun safety during this time. While September's index is slightly lower than the peak of 19 observed in both March and April, it aligns with the consistently high levels seen throughout the year, ranging from 15 to 19. As the seasons transition, the UV Index tends to fluctuate only modestly, compelling everyone to remain vigilant against intense sun exposure. For more details on managing UV exposure, visit Popayan UV Index.
UV Risk Categories
As September rolls into Popayán, Colombia, residents bask in 312 hours of radiant sunshine, continuing the trend of abundant daylight that characterizes the latter half of the year. This month follows a summer peak in August, where a remarkable 323 hours of sun were enjoyed, marking the height of the sunny season. The gradual decrease in sunlight during October, dropping to 285 hours, hints at the upcoming transition into the cooler months. However, the overall pattern from January to September reveals an impressive trajectory of increasing sunshine, culminating in this delightful September glow that encourages both locals and visitors to embrace the outdoors and revel in the beauty of Popayán.
September in Popayán, Colombia, brings a notable uplift in sunshine, boasting a 27% chance of clear skies—making it one of the sunniest months of the year. This is a refreshing change compared to the preceding months, where the likelihood of sunny weather dwindles, particularly from April to August, when it hovers below 20%. With the dry season approaching, September signals a transition towards brighter days, inviting both locals and travelers to embrace outdoor activities in the vibrant city. As autumn unfolds, the increase in sunshine serves as a delightful reminder of Popayán's charming climate, making this month an ideal time to explore its rich culture and breathtaking landscapes.
In September, Popayán, Colombia, enjoys a delightful 12 hours of daylight, continuing a trend established since March. After the long days of January, which starts with just 11 hours, the city quickly transitions into a consistent rhythm of abundant daylight from February through October. This uniformity provides a wonderful backdrop for daily activities and local culture, as residents bask in the steady glow of sunlight. However, as the year winds down, daylight begins to shorten again, with November and December offering just 11 hours, signaling the approach of longer nights ahead. This cyclical pattern not only shapes the daily life in Popayán but also highlights the region's unique positioning near the equator, where daylight duration remains relatively stable throughout the year.
In September, Popayan, Colombia experiences a gentle breeze with an average wind speed of 1.8 m/s (4 mph), mirroring the slightly heightened activity noted in August. This noticeable, yet moderate, increase in wind can create a refreshing ambiance as the city transitions into the latter part of the year. The trend reveals a gradual rise during the mid-year months, reaching 2.1 m/s (5 mph) in July, before settling back to the more tranquil patterns noted earlier in the season. As September progresses, the winds provide a soothing backdrop to daily life, inviting you to enjoy the vibrant culture and stunning scenery that this historic city has to offer.
Weather in Popayan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Popayan, focusing on differences in temperature, rainfall, humidity, and UV levels.
Comparing the weather of September and January reveals some interesting similarities and differences. Both months feature a maximum temperature of around 25°C (77°F), but September typically has slightly warmer conditions with average temperatures reaching 16°C (61°F), compared to January's average of 15°C (60°F). There is also a notable increase in precipitation during January, with 185 mm (7.3 in) falling over 19 days, compared to September's 138 mm (5.4 in) over 17 days. Additionally, humidity levels are higher in January at 74%, compared to September's 69%. For a more detailed look at January weather specifics, you can refer to Popayan weather in January.
September and February have quite similar average temperatures, both averaging around 16°C (61°F), with a slight edge to September for maximum temperatures at 25°C (76°F) compared to February's 24°C (76°F). However, February experiences significantly higher precipitation, with 226 mm (8.9 in) over 22 days, while September has 138 mm (5.4 in) over 17 days. Additionally, February's humidity is slightly higher at 71% compared to September's 69%. For more details on February weather in Popayan, you can check Popayan weather in February.
In comparing the weather between September and March, we notice several key differences. September boasts a milder temperature range, with averages ranging from a minimum of 9°C (49°F) to a maximum of 25°C (76°F), while March has slightly cooler temperatures, varying from a minimum of 7°C (45°F) to a maximum of 23°C (74°F). However, March experiences significantly more rainfall, with 324 mm (12.8 in) over 27 days compared to September's 138 mm (5.4 in) over 17 days. This results in higher humidity levels in March at 78%, compared to 69% in September. For a more detailed look at March in Popayan, visit Popayan weather in March.
The weather in September and April shows notable differences in temperature and precipitation. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 25°C (76°F), with an average of 16°C (61°F). In contrast, April sees slightly warmer temperatures, with a minimum of 10°C (50°F) and a maximum of 23°C (74°F), averaging 15°C (60°F). However, April is significantly wetter, receiving 291 mm (11.5 in) of precipitation over 26 days compared to September's 138 mm (5.4 in) across 17 days. Additionally, April experiences higher humidity, averaging 81%, compared to September’s 69%. For more detailed information, you can check Popayan weather in April.
In comparing the weather of September and May, we see that both months have similar average temperatures, with September showing a range of 9°C to 25°C (49°F to 76°F) and May ranging from 10°C to 24°C (51°F to 75°F). However, May tends to be slightly wetter, receiving 258 mm (10.2 in) of precipitation over 23 days, compared to September's 138 mm (5.4 in) over 17 days. Additionally, May experiences higher humidity at 88%, while September's humidity averages 69%. For a closer look at conditions, you can explore more details here: Popayan weather in May.
In comparing the weather of September and June, one can observe distinct differences in temperature and humidity. September experiences a wider temperature range with a minimum of 9°C (49°F) and a maximum of 25°C (76°F), yielding an average of 16°C (61°F). In contrast, June has slightly higher temperatures, with a minimum of 10°C (50°F) and a maximum of 23°C (73°F), resulting in an average of 15°C (60°F). Precipitation is another factor where June sees 158 mm (6.2 in) over 21 days, while September has 138 mm (5.4 in) over 17 days, suggesting that both months share a significant amount of rainfall but June is slightly wetter. Additionally, June's humidity level is higher at 85%, compared to September’s 69%. For more detailed insights, you can visit Popayan weather in June.
In comparing the weather between September and July, September tends to be slightly warmer, with average temperatures reaching up to 16°C (61°F) compared to July's average of 15°C (60°F). Both months experience a minimum temperature of around 9°C, but September has a higher maximum temperature of 25°C (76°F) compared to July's 23°C (74°F). Precipitation is notably more frequent in September, with 138 mm (5.4 in) of rain over 17 days, while July sees just 70 mm (2.8 in) over 14 days. Additionally, humidity levels in July are slightly higher at 75%, compared to 69% in September. For more detailed insights, you can explore Popayan weather in July.
In September, the weather exhibits a slight increase in precipitation compared to August, with a total of 138 mm (5.4 in) over 17 days, compared to August's 90 mm (3.5 in) over 12 days. Both months feature similar temperature ranges, with minimums around 9°C (49°F), average temperatures of 16°C (61°F), and maximums reaching 25°C (76°F). However, September tends to be slightly more humid, with an average humidity of 69% compared to August's 64%. For more details, you can check Popayan weather in August.
In September, the weather is characterized by mild temperatures, with a minimum of 9°C (49°F), an average of 16°C (61°F), and a maximum of 25°C (76°F). However, this month also sees significant rainfall, totaling 138 mm (5.4 in) over 17 days, paired with a humidity level of 69%. In contrast, October experiences slightly cooler average temperatures at 15°C (60°F), while still reaching a maximum of 25°C (78°F). Notably, October is much wetter, with precipitation increasing to 262 mm (10.3 in) spread over 26 days and a rise in humidity to 80%. For more detailed information, you can check Popayan weather in October.
In September, temperatures in Popayan range from a minimum of 9°C (49°F) to a maximum of 25°C (76°F), with an average temperature of 16°C (61°F). The month sees moderate rainfall, with a total of 138 mm (5.4 in) spread over 17 days and a humidity level of 69%. In contrast, November experiences slightly cooler temperatures, with an average of 15°C (60°F) and a maximum of 24°C (75°F). This month also brings significantly more precipitation, totaling 351 mm (13.8 in) over 29 days, and higher humidity at 85%. For more details on the weather in November, you can read Popayan weather in November.
In September, the weather features a mild average temperature of 16°C (61°F), with maximums reaching 25°C (76°F) and a minimum of 9°C (49°F). However, this month is relatively wet, experiencing 138 mm (5.4 in) of precipitation over 17 days, coupled with a humidity level of 69%.
In contrast, December sees slightly lower average temperatures at 15°C (60°F) and similar maximums of 24°C (76°F), but it maintains the same minimum of 9°C (49°F). The precipitation significantly increases, reaching 261 mm (10.3 in) over 25 days, and the humidity rises to 82%. This results in a wetter and more humid month compared to September. For more detailed information, check out Popayan weather in December.
As September unfolds in Popayan, the weather displays a distinct character marked by moderate temperatures and notable humidity, setting it apart from other months. With a maximum of 25°C (76°F) and a minimum of 9°C (49°F), the variation offers a comfortable climate for residents and visitors alike. However, the month also brings along a significant amount of precipitation, with nearly half the month experiencing rainfall, which contributes to a lush and vibrant landscape. This blend of warmth and moisture creates a unique atmospheric experience, making September a transformative time in Popayan. For a more detailed look at the climatic patterns throughout the year, explore Popayan Climate.